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Finding the Fourth Proportional to 111,174.71, 166,711.63 and 47,964.94

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Solution

The fourth proportional to 111,174.71, 166,711.63 and 47,964.94 is: 71,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,174.71 : 166,711.63 = 47,964.94 : x
  2. Step 2: Convert to fraction form
    111,174.71/166,711.63 = 47,964.94/x
  3. Step 3: Cross multiply
    111,174.71x = 166,711.63 × 47,964.94
  4. Step 4: Simplify right side
    111,174.71x = 7,996,312,256.87
  5. Step 5: Solve for x
    x = 7,996,312,256.87/111,174.71
  6. Step 6: Final answer
    x = 71,925.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.